362 FRESHWATER ALG.E 6F LISMORE DISTRiqT. 



Plate xlvi. 



Fig. I.— Anabifjia osciflaiioides Bory, types of gojiidia. 



F'xg.l. — Ple.ctonema crispatnm, n.sp. 



Fig.o.—Lyngbya KiUzingii var. difitinrfa (Nord.) Lenini.;(x 1000). 



Fig. 4. — Pliormidium imcinatum (Ag.) Goinont. 



Fig 5. ,, lnridum(Ag.) Ua.usg. 



Fig.t). ,, ,, var. anKninm (Kiitz. ) mihi. 



Fig. 7. ,, co?'i?tm(Ag.)Goniont; the cells showing a central l)0(ly. 



Fig. 8. ,, ,, var. aaiminatiim, n.var. 



Fig. 9. ,, ,, var. constrictum, n.var. 



F\g.\i). — Oscillut' 7'ia prhiceps Vsiuch.; {a, h) tips of trichonies, (c) broken 

 filament showing tlie thick sheath and one of the permanent dis- 

 sepiments; ( X335). 



F\g.\ I. -Oscillat07i I Gorakiatia, n.sp, 



Fig. 12. ,, formosa F>oYy . 



Fig. 13. ,, ,, granulate form; (a) stouter, (6) moie slender. 



Fig. 14. ,, ,, var. ttMs<ra/iVa, n, var. 



